G09B 5/12 different stations being capable of presenting different information simultaneously (G09B5/14 takes precedence)
Introduced: July 1974
Title
Titles differ between systems:
IPC: different stations being capable of presenting different information simultaneously
CPC: different stations being capable of presenting different information simultaneously (G09B5/14 takes precedence)
Full Title
Full titles differ between systems:
Electrically-operated educational appliances > providing for individual presentation of information to a plurality of student stations > different stations being capable of presenting different information simultaneously
Electrically-operated educational appliances (working with questions and answers G09B7/00; simulators G09B9/00; advertising or displaying in general G09F) > providing for individual presentation of information to a plurality of student stations > different stations being capable of presenting different information simultaneously (G09B5/14 takes precedence)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class G09,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 16,046
- BOE TECHNOLOGY GROUP COMPANY 13,766
- BOE TECHNOLOGY GROUP COMPANY CN 12,804
- LG DISPLAY COMPANY KR 10,322
- SAMSUNG ELECTRONICS COMPANY KR 7,738
- SAMSUNG DISPLAY 5,172
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 4,749
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 3,417
- LG DISPLAY COMPANY 3,335
- SONY CORPORATION JP 3,179
Top Applicants (CPC)
Class G09,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 22,477
- BOE TECHNOLOGY GROUP COMPANY CN 16,016
- BOE TECHNOLOGY GROUP COMPANY 12,918
- LG DISPLAY COMPANY KR 12,599
- SAMSUNG ELECTRONICS COMPANY KR 12,009
- SAMSUNG DISPLAY 6,252
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 4,410
- SONY CORPORATION JP 3,965
- LG ELECTRONICS KR 3,901
- LG DISPLAY COMPANY 3,705